Evaluate endpoint security software by piloting it on your own devices against realistic scenarios, not by comparing feature lists. Measure coverage of your operating systems, detection of the behaviors you care about, noise, performance impact, and how much work it takes to run each week.
What problem are you buying for?
Start with a sentence, not a product category. Examples: we cannot tell what happened on a laptop after an alert. We have no way to isolate a device remotely. Our Linux servers are unmanaged. Write the gap down first so the pilot can prove or disprove that the gap closes.
CIS Critical Security Controls give a useful frame for the surrounding work. Their list begins with inventory and control of enterprise assets and software, and includes secure configuration and malware defenses. Software alone does not satisfy any of those. It supports them.
Which questions go in the request?
Coverage. Which operating system versions, including older ones and Linux distributions, are supported? Does it run on virtual machines and containers hosts you use? What about mobile devices?
Detection approach. Which behaviors does it detect, and can you see why an alert fired? Black box verdicts are hard to trust and hard to tune.
Response actions. Can an analyst isolate a device, stop a process or collect files remotely? Who can do it, and is it logged?
Tamper resistance. What stops a local admin or malware from disabling the agent?
Performance. What is the typical CPU, memory and disk footprint, and how can it be tuned for build servers?
Data handling. What telemetry leaves your environment, where is it stored, for how long, and can you export it? Ask for this in writing.
Integration. Does it have an API, and can it send events to your log system and ticketing?
Operations. How are updates delivered? Can they be staged? What happens when the vendor's cloud is unreachable?
How do you run the pilot?
Choose a representative group: a few laptops from each department, some servers, and at least one developer machine and one oddly configured system. Two to four weeks is typical. Define success criteria before you start.
NIST SP 800-83 Revision 1 on malware incident prevention is a good source for the scenarios, and MITRE ATT&CK offers a catalog of adversary behaviors to turn into test cases. Run only safe, authorized simulations, such as benign test files and documented behavior simulations, and coordinate with your IT team so nobody mistakes a test for a real incident.
Constructed example: the build server problem
A team trials two agents. Both detect the same set of simulated behaviors. On the build server, one agent adds minutes to every compile because it scans each generated file in real time. The other lets the team exclude the build directory with a documented rule. Neither would show this on a feature matrix. The pilot found it in a week.
How do you compare results fairly?
Use the same devices, the same scenarios and the same time window. Record detections, missed behaviors, false alarms, time to investigate each alert, and user complaints. Weigh them against what you decided matters. Do not rank on one number. Also add the cost of the people needed to operate the tool, which often exceeds the license cost.
How to check or apply this
- Write the gap in one sentence and the success criteria in numbers.
- Inventory devices and operating systems so coverage questions are concrete.
- Send the same written question set to each candidate and require written answers on data handling.
- Pilot on a representative group for at least two weeks, including servers and developer machines.
- Run safe simulations of five to ten behaviors from MITRE ATT&CK that match your risks.
- Review the exit path: how to export data and remove the agent cleanly.
If developers on your team install many packages, also check them before they land on laptops. Safeguard's free in browser scan at gold.safeguard.sh/scan checks up to 100 dependencies for a first look.
Quick check
How long should a pilot last?
Two to four weeks is a common range. It should be long enough to cover normal work cycles, patch days and at least one maintenance window.
What is the most overlooked cost?
Staff time. Someone has to review alerts, tune rules and respond, and that work often outweighs the license cost.
Sources
- CIS Critical Security Controls
- NIST SP 800-83 Rev. 1, Guide to Malware Incident Prevention and Handling
- MITRE ATT&CK Enterprise Techniques
Last reviewed: 18 October 2026.
